You are given a sentence and your task is to generate another sentence that supports the given input.

A small protozoan named Trichonympha companula lives in the termite s digestive system and does the job of breaking down the cellulose the termite eats.
Certain anaerobic parabasalid species exist in the digestive tracts of termites and wood-eating cockroaches, where they contribute an essential step in the digestion of cellulose.